Siphon-head.



0. DE LUKAGSEVIGS.

SIPHON HEAD.

APPLIOATION IILBD 822112, 1911. RENEWED AUG. 21, 1912.

INVENTO/i" fliZeS deIalacJa/a Patented 0011,1912.

. I ll" 1 05 1 u 1595s 1' II f IX. 1

WITNESSES:

BY own 1 CHARLES DE LUKACSEVICS, OF WEST NUTLEY, NEW JERSEY.

SIPHON-HEAD.

Specification of Letters Patent.

Patented Oct. 1, 1912.

Application filed September 12, 1911, Serial No. 648,882. Renewed August21, 1912. Serial No. 716,316.

To all whom it may concern:

Be it known that I, CHARLES on Lunac- SEVICS, a citizen of the UnitedStates, residing at \Vest Nutley, in the county of Essex and State ofNew Jersey, have invented. new and useful Improvements in Siphon-Heads,of which the following is a specification.

This invention relates to improvements in siphon heads and it deals moreparticularly with the valve construction, having in view an efiicientsealing relation between the valve seat and the valve, and a valveorganization of strong and sanitary nature.

An embodiment of the invention is illustrated in the accompanyingdrawing,where- Figure 1 is a vertical sectional view of a siphon head inwhich the present improvements are carried out; Fig. 2 is a view showingin separate relation the details of the valve construction; Fig. 3 is aview showing a retaining collar for the valve seat; Fig. =1 is a viewshowing the valve seat in plan and sectional detail; Fig. 5 is a detailsectional view showing a modification of the valve seat construction;Fig. 6 is a plan view of the same; and Fig. 7 is a detail sectional viewshowing a further modification of the valve seat construction.

Similar characters of reference designate corresponding parts throughoutthe several views.

The improvements are illustrated in connection with a porcelain head,designated generally as 1, and having its lower end in the form of anenlarged socket 2 which fits over the bottle neck 3 and is held inposition by suitable means, such, for example, as the cooperatingsecuring rings 4 and 5 associated with the socket and with the neckrespectively. The siphon tube is shown at 6 and is held in position bysuitable means, such, for example, as the gasket 7 which is fittedbetween the neck 3 and the socket 2. In this connection, it may be notedthat the rings 4 and 5 and the gasket 7 do not form the subject of thepresent invention, but are claimed in my copending application, SerialNo. 615,703.

The head 1 is provided with an axial duct 8 and with a. curved liquiddischarge duct 9, extending at an angle from the duct 8. Below the duct8 said head is provided with an axially disposed valve chamber 10 whichextends from the coniform opening 11 in which the upper boss of thegasket 7 fits.

At the upper end of the valve chamber 10 there is arranged an annularvalve seat 1.2, having on its under face a relatively sharp valveengaging rib or projection 18. In the embodiment shown in Fig. 1, anelastic sealing gasket 14L is interposed between the valve seat 12 andthe upper face of the chamber 10, and said valve is held firmly againstthe gasket 14 so as to more or less compress the latter, by means of aring or collar 15 which is threaded into the valve chamber and has inits lower edge oppositely disposed recesses 16 to enable the use of aspanner for turning the ring or collar 15. Or, if desired, the ring orcollar 15 may be omitted and the .valve seat, as at 12, directlythreaded into the chamber 10, as shown in Fig. 5, in which case thevalve seat has in its under-face re- ;cesscs 16 for the same purpose asthe recesses 16. In Fig. 7 a further modification of the valve seatconstruction is shown, in which the chamber 10 has its upper portionformed with rough threads or corrugations, and the valve seat, as at12", composed of jhard rubber or an equivalent non-corrosive andnon-porous substance, is molded directly in the upper portion of thevalve chamber and thereafter is machined.

The valve construction includes a metal stem 17 which carries at itslower end a head 18, the latter being preferably of double coniformconstruction and working in the chamber 10. The stem 17 passes throughthe duct 8 and through an axial recess 19 in the upper portion of thehead 1, and the upper end of said stem is threaded into an operatingknob 20. The web or flange which intervenes between the duct 8 and therecess 19 is provided with a packing gasket 21 to prevent leakage of thegas, and serves as a seat for an expansive coil spring 22 whichsurrounds the stem and is disposed in a recess in the under face of theknob 20.

The valve proper includes the head 18 above referred to, and a rubberenvelop 23 which is stretched over said head and which is engaged by therib or projection 13 pre viously referred to. A hard rubber sleeve 24surrounds the stem 17 throughout the greater portion of the length ofthe latter, and serves the dual purpose of rendering the valveconstruction sanitary and of securing the envelop 23 in position. Thestem 17 is formed adjacent the head 18 with an annular groove 25, andthe upper end portion of the envelop 23 is held or clenched rialdifferent from the head and which at the same time will be non-corrosiveand nonporous, and it also provides for a gas-tight assemblage ofthe'seat. The valve construction is of advantage in that it provides fora valve head which has an elastic engaging surface and thereby may havea gas-tight fit against .the seat, and it also provides for a stem ofmetal and hence not liable to breakage, yet having a rubber facing whichrenders the construction sanitary and serves as ameans for securing theenvelop which is fitted upon the valve head.

Having fully described my invention, I claim r 1. In a siphon head, avalve construction including a valve stem having an enlarged valve headat one end thereof, a rubber envelop fitted over the head, and a sleevesura '4. In a siphon head, including a valve stem having an enlargedincluding a metal valve stem having an enlarged valvehead at one endthereof, a rubber envelop fitted over the head, and a hard rubber sleevesurrounding the stem and engaging the envelop with clamping pressure,thereby serving to fix the envelop in position.

3. In a siphon head, a valve construction including a valve stem havingan enlarged valve head at one end thereof, a rubber envelop fitted overthe head, a sleeve surrounding the stem and engaging the envelop withclamping pressure, thereby serving to fix the envelop in position,- anda nut threaded upon the stem and engaging that end of the sleeve whichis distant from the valve head. i

a valve construction valve head at one end thereof and having a grooveadjacent the valve head, a rubber envelop fitted over the head, a sleevesurrounding the stem and serving to press the edge portion of theenvelop into the groove, and a nut threaded upon the stem and en gagingthat end of the sleeve which is distant from the valve head.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

CHARLES DE LUKACSEVIC'S.

Witnesses JAMES S. CoNovER, A. L. HUNTLEY.

